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openwrt-xburst/target/linux/xburst/patches-2.6.31/104-usb.patch
2009-10-28 03:13:13 +08:00

184 lines
5.0 KiB
Diff

From d6e1e759473e3b62bb2a7b906bbb27f1f1f2aff2 Mon Sep 17 00:00:00 2001
From: Lars-Peter Clausen <lars@metafoo.de>
Date: Wed, 19 Aug 2009 14:54:18 +0200
Subject: [PATCH] usb
---
drivers/usb/Kconfig | 1 +
drivers/usb/core/hub.c | 43 +++++++++++++++++++++++++++++++++++++
drivers/usb/gadget/Kconfig | 18 ++++++++++++++-
drivers/usb/gadget/Makefile | 3 ++
drivers/usb/gadget/gadget_chips.h | 9 +++++++
5 files changed, 73 insertions(+), 1 deletions(-)
diff --git a/drivers/usb/Kconfig b/drivers/usb/Kconfig
index dcd49f1..a520bed 100644
--- a/drivers/usb/Kconfig
+++ b/drivers/usb/Kconfig
@@ -44,6 +44,7 @@ config USB_ARCH_HAS_OHCI
default y if PPC_MPC52xx
# MIPS:
default y if SOC_AU1X00
+ default y if JZSOC
# SH:
default y if CPU_SUBTYPE_SH7720
default y if CPU_SUBTYPE_SH7721
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 71f86c6..d3f9344 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -1857,6 +1857,25 @@ static int hub_port_reset(struct usb_hub *hub, int port1,
{
int i, status;
+#ifdef CONFIG_SOC_JZ4730
+ /*
+ * On Jz4730, we assume that the first USB port was used as device.
+ * If not, please comment next lines.
+ */
+ if (port1 == 1) {
+ return 0;
+ }
+#endif
+
+#if defined(CONFIG_SOC_JZ4740) || defined(CONFIG_SOC_JZ4750) || defined(CONFIG_SOC_JZ4750D)
+ /*
+ * On Jz4740 and Jz4750, the second USB port was used as device.
+ */
+ if (port1 == 2) {
+ return 0;
+ }
+#endif
+
/* Block EHCI CF initialization during the port reset.
* Some companion controllers don't like it when they mix.
*/
@@ -2818,11 +2837,35 @@ static void hub_port_connect_change(struct usb_hub *hub, int port1,
le16_to_cpu(hub->descriptor->wHubCharacteristics);
struct usb_device *udev;
int status, i;
+#ifdef CONFIG_JZSOC
+ static char jzhub = 1; /* the hub first to be initialized is jzsoc on-chip hub */
+#endif
dev_dbg (hub_dev,
"port %d, status %04x, change %04x, %s\n",
port1, portstatus, portchange, portspeed (portstatus));
+#ifdef CONFIG_SOC_JZ4730
+ /*
+ * On Jz4730, we assume that the first USB port was used as device.
+ * If not, please comment next lines.
+ */
+ if ((port1 == 1) && (jzhub)) {
+ jzhub = 0;
+ return;
+ }
+#endif
+
+#if defined(CONFIG_SOC_JZ4740) || defined(CONFIG_SOC_JZ4750) || defined(CONFIG_SOC_JZ4750D)
+ /*
+ * On Jz4740 and Jz4750, the second USB port was used as device.
+ */
+ if ((port1 == 2) && (jzhub)) {
+ jzhub = 0;
+ return;
+ }
+#endif
+
if (hub->has_indicators) {
set_port_led(hub, port1, HUB_LED_AUTO);
hub->indicator[port1-1] = INDICATOR_AUTO;
diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig
index 7f8e83a..a973ce7 100644
--- a/drivers/usb/gadget/Kconfig
+++ b/drivers/usb/gadget/Kconfig
@@ -121,11 +121,24 @@ choice
#
# Integrated controllers
#
+config USB_GADGET_JZ4740
+ boolean "JZ4740 UDC"
+ depends on SOC_JZ4740
+ select USB_GADGET_DUALSPEED
+ help
+ Select this to support the Ingenic JZ4740 processor
+ high speed USB device controller.
+
+config USB_JZ4740
+ tristate
+ depends on USB_GADGET_JZ4740
+ default USB_GADGET
config USB_GADGET_AT91
boolean "Atmel AT91 USB Device Port"
depends on ARCH_AT91 && !ARCH_AT91SAM9RL && !ARCH_AT91CAP9
select USB_GADGET_SELECTED
+
help
Many Atmel AT91 processors (such as the AT91RM2000) have a
full speed USB Device Port with support for five configurable
@@ -534,6 +547,10 @@ config USB_DUMMY_HCD
endchoice
+config USB_JZ_UDC_HOTPLUG
+ boolean "Ingenic USB Device Controller Hotplug Support"
+ depends on USB_GADGET_JZ4750
+
config USB_GADGET_DUALSPEED
bool
depends on USB_GADGET
@@ -541,7 +558,6 @@ config USB_GADGET_DUALSPEED
help
Means that gadget drivers should include extra descriptors
and code to handle dual-speed controllers.
-
#
# USB Gadget Drivers
#
diff --git a/drivers/usb/gadget/Makefile b/drivers/usb/gadget/Makefile
index e6017e6..b758686 100644
--- a/drivers/usb/gadget/Makefile
+++ b/drivers/usb/gadget/Makefile
@@ -27,6 +27,9 @@ obj-$(CONFIG_USB_FSL_QE) += fsl_qe_udc.o
obj-$(CONFIG_USB_CI13XXX) += ci13xxx_udc.o
obj-$(CONFIG_USB_S3C_HSOTG) += s3c-hsotg.o
obj-$(CONFIG_USB_LANGWELL) += langwell_udc.o
+obj-$(CONFIG_USB_JZ4740) += jz4740_udc.o
+
+obj-$(CONFIG_USB_JZ_UDC_HOTPLUG)+= udc_hotplug_core.o
#
# USB gadget drivers
diff --git a/drivers/usb/gadget/gadget_chips.h b/drivers/usb/gadget/gadget_chips.h
index 8e0e9a0..d9c0990 100644
--- a/drivers/usb/gadget/gadget_chips.h
+++ b/drivers/usb/gadget/gadget_chips.h
@@ -15,6 +15,12 @@
#ifndef __GADGET_CHIPS_H
#define __GADGET_CHIPS_H
+#ifdef CONFIG_USB_GADGET_JZ4740
+#define gadget_is_jz4740(g) !strcmp("ingenic_hsusb", (g)->name)
+#else
+#define gadget_is_jz4740(g) 0
+#endif
+
#ifdef CONFIG_USB_GADGET_NET2280
#define gadget_is_net2280(g) !strcmp("net2280", (g)->name)
#else
@@ -239,6 +245,9 @@ static inline int usb_gadget_controller_number(struct usb_gadget *gadget)
return 0x23;
else if (gadget_is_langwell(gadget))
return 0x24;
+ else if (gadget_is_jz4740(gadget))
+ return 0x25;
+
return -ENOENT;
}
--
1.5.6.5